Ricardus Anglicus, Treatise on vulgar fractions. Decoration: Large puzzle initial in red and blue with pen-flourishing in the same colours and 'J-border' extending along the text (f. 59r). Paraphs in red or blue. Some initials marked with yellow.
Includes the Tabula Gerlandi and other computistical tables. Decoration: Diagram of a mnemonic hand (f. 13r) and tables (ff. 13v-15v). Initials in red or blue with penwork decoration in the other colour. Paraphs in red or blue.
Notes on ways of multiplying with a text added at the end in two additional hands (f. 58v). Decoration: Initials in red or blue with penwork decoration in the other colour.
The second part of a treatise on the zodiac signs (the first part is on f. 105v). Decoration: Gesturing human figure faintly drawn in the lower margin (f. 3r), added in the 14th-15th century.
Johannes de Sacro Bosco, Tractatus de sphaera, with marginal annotations. Decoration: Diagrams (ff. 17r-18r, 23r, 25v-26r, 27r) and a table (f. 25v). Large initial in gold and colours at the beginning of the text (f. 17r). Smaller initials in red or blue with penwork decoration in the other co...